The northern tourist circuit is by far Tanzania’s most popular safari circuit, including the majority of the country’s must-see locations. If you’re visiting Tanzania for the first time, this is the place to be. From east to west, the circuit includes: Arusha National Park at the foot of Mount Meru, Tarangire National Park 110 kilometers southwest of Arusha, Manyara Ranch between Tarangire National Park and Lake Manyara National Park, Lake Manyara National Park at the bottom of the Gregory Rift, the Ngorongoro Conservation Area (which includes the Ngorongoro caldera, the Empakaai Crater, and the southern Serengeti plains of Lake Ndutu),